vapo - vibr
- vapor
- vapor barrier
- vapor concentration
- vapor content
- vapor control
- vapor jet cycle
- vapor jet refrigerating cycle
- vapor lock
- vapor lock device
- vapor migration
- vapor permeance
- vapor pressure
- vapor pressure thermometer
- vapor quality
- vapor refrigerating system
- vapor retarder
- vapor transfer
- vapor transmission
- vapor-charged power element
- vapor-pressure thermometer
- vaporization
- vaporizing burner
- VAR
- variable
- variable air volume
- variable flow
- variable output
- variable temperature
- variable volume
- variable volume, variable temperature
- varied outlet
- VAV
- VAV box
- velocity
- velocity coefficient
- velocity constant
- velocity head
- velocity pressure
- velocity profile
- velocity-reduction method duct sizing
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